Home / 800,639.86-1,200,771.14-294,926.22

Finding the Fourth Proportional to 800,639.86, 1,200,771.14 and 294,926.22

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Solution

The fourth proportional to 800,639.86, 1,200,771.14 and 294,926.22 is: 442,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,639.86 : 1,200,771.14 = 294,926.22 : x
  2. Step 2: Convert to fraction form
    800,639.86/1,200,771.14 = 294,926.22/x
  3. Step 3: Cross multiply
    800,639.86x = 1,200,771.14 × 294,926.22
  4. Step 4: Simplify right side
    800,639.86x = 354,138,893,405.29
  5. Step 5: Solve for x
    x = 354,138,893,405.29/800,639.86
  6. Step 6: Final answer
    x = 442,319.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.